148 BULLETIN 15 7, U. S. NATIONAL MUSEUM 



e'. Expanse less than 38 mm. ; no subcentral spot on the 



hind wings above or below (pi. 28, fig. 4)_ Eurema lisa (p. 149). 

 rfl Black border of hind wings broader than that of fore 



wings (pi. 28, fig. 6) Eurema nicippe (p. 149). 



61 Color above orange, or yellow with a more or less extensive 

 orange flush. 

 &. Hind wings above with a conspicuous orange double spot 

 just beyond the cell, and below with a corresponding 

 double brown spot with a silver center; black border on 

 hind wings always extending to near the anal angle and 

 narrower than the black border on the fore wings (pi. 26, 



figs. 1-8) Colias eurytheme (p. 150). 



&. Hind wings without a conspicuous spot near the center 

 above or below ; black border on hind wings broader 

 than tlie black border on the fore wings, or reduced to a 



patch at the outer angle (pi. 28, fig. 6) Eurema nicippe (p. 149). 



a'. Ground color above white. 



b\ Expanse more than 38 mm. ; apex of fore wings rounded ; 

 hind wings not mottled with green beneath. 

 &. No orange spot near the center of the upper surface of the 

 hind wings, which are not heavily bordered with black. 

 d\ Fore wings tipped with dark gray, unspotted, or with a 

 single dark spot beyond and below the end of the cell, 

 or with this and another below it near the lower mar- 

 gin ; hind wings unspotted, or with a dark gray spot 

 on the anterior border just beneath the lower spot on 



the fore wing (pi. 28, figs. 1-3) Pieris rapae (p. 170). 



d^ Fore wings with a broad dark gray band across the end 

 of the cell, otherwise almost unmarked, or with the 

 anterior two-thirds of the outer margin broadly bor- 

 dered with dark gray broken by large white triangles 

 with their apices reaching the margin ; hind wings 

 unmarked, or with dark triangles at the ends of the 

 veins which meet and fuse with a corresponding series 

 of dark chevrons, forming a submarginal row of large 



rhombic white spots (pi. 29, figs. 5-8) Pieris protodice (p. 16G). 



(f. Hind wings with a conspicuous orange or yellow spot at the 

 end of the cell ; hind wings bordered with black ; fore 

 wings broadly bordered with black, the black border in- 

 cluding a series of isolated white spots. 

 d\ Spot at the end of the cell of the hind wings above 

 chrome yellow to pale yellow; dark border of hind 

 wings narrow, not including a row of white spots 



(pi. 27, figs. 5-8) Colias philodice (p. 158). 



d^ Spot at the end of the cell of the hind wings above deep 

 reddish orange ; dark border of hind wings broad, in- 

 closing, or partially inclosing, a row of large white 



spots (pi. 26, figs. 4, 8) Colias eurytheme (p. 150). 



V. Expanse less than 38 mm. ; apex of fore wings sharply pointed ; 

 hind wings mottled with green beneath ; tip of fore wings 

 orange (males) or white (females) (pi. 29, figs. 1-4). 



Anthocharis genutia (p. 164). 



